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Doctor insights on: How Do Beta Blockers Work

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How do beta blockers work?

How do beta blockers work?

Block adrenaline: They block the effect of adrenaline on the heart and blood vessels; they lower the heart rate and blood pressure and they allow to the heart work less. ...Read more

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How do beta-blockers work ?

How do beta-blockers work ?

See below: Debbie, Beta blockers act on the epinepherine (adrenaline) receptor. They block it, stopping the epi from attaching to it. The functional result is that they act to slow your heart rate and lower your blood pressure. They are excellent blood pressure medicines if you need them. Hope this helps! ...Read more

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My tinnitus went away after I started a beta blocker. How do beta blockers work?

My tinnitus went away after I started a beta blocker. How do beta blockers work?

Tinnitus: Several possibilities but perhaps the most likely is that the pulse pressure was narrowed and that decreased the acoustic phenomenon in the ear ...Read more

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How do calcium blockers and beta blockers work to fix hypertension?

How do calcium blockers and beta blockers work to fix hypertension?

Relax vessels/heart: Calcium channel blockers slow the entry of calcium into tiny muscles that encircle your blood vessels, thereby reducing their contraction and releasing some pressure. Beta blockers slow down the heart so that it doesn't push so much blood into the vessels, again reducing pressure. ...Read more

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How much time should beta blockers work for ?

Variable: There are different beta blockers, and their duration of action can be quite variable. There are several, Inderal (propranolol) for one, ,that are short acting, 6-8 hours. Others can last for 24 hours or even longer. ...Read more

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Beta blockers for anxiety/migraines, does this work?

Beta blockers for anxiety/migraines, does this work?

No/Yes: Beta blockers do not help symptoms of anxiety. Sometimes they will blunt the effect stress may have on your heart by blocking the same receptors that 'adrenaline-like' hormones work on. There has been many years of use to prevent migraines, particularly with propanolol which is an older generation of beta blockers. They have been known to reduce migraines. ...Read more

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What's to be expected? Might ventolin work at all if you have an asthma attack whilst taking beta blockers?

What's to be expected? Might ventolin work at all if you have an asthma attack whilst taking beta blockers?

Less so: Ventolin may still work but would likely be less effective. It is also important to choose a cardio-selective beta blocker if there is no other alternative. One study showed that taking a cardio-selective beta blocker reduced the fev-1 (the one-second airflow which is reduced in airway obstruction) by about 7% but made the lung more responsive to bronchodilators . Avoid beta blocker if possible. ...Read more